Experienced Interview Question


  1. What Is a Persistent Cookie and how it is different from Temporary cookie?
  2. How To Get the Uploaded File Information in the Receiving Script?
  3. What is the difference between mysql_fetch_object and mysql_fetch_array?
  4. How can we encrypt the username and password using PHP?
  5. why we use ceil() and floor() function in PHP?
  6. what is otput of :

$formatted = ucwords(“PHP interview questions for experienced”);
print $formatted;


  1. How many values can the SET function of MySQL take?
  2. What’s the difference between md5(), crc32() and sha1() crypto on PHP?
  3. How to get the 2nd highest salary of an employee, if two employees may have the same salary?
  4. What is the difference between mysql_fetch_object and mysql_fetch_array?
  5. What is the default port number of MySQL?
  6. What are the purposes of using ENUM data types?
  7. What is the difference between NOW() and CURRENT_DATE()?


  1. How many types of Shells are there in Linux? 
  2. Why LVM is required?
  3. What is umask?
  4. How to set the mask permanently for a user? 
  5. What is network bonding in Linux?
  6. How to check the default route and routing table?
  7. What are the default ports used for SMTP, DNS, FTP, DHCP, SSH, and squid?
  8. What is ps command in Linux? 
  9. What is the env command in Linux?
  10. What is lsof command in Linux?


  1. What is wrapper classes?
  2. difference between JDK and JVM?
  3. difference between path and classpath variables?
  4. what platform independence is?
  5. Can you explain serialization and deserialization?
  6. How does a local variable differ from an instance variable?


  1. What is a git conflict?
  2. What is the functionality of git ls-tree?
  3. Tell me something about git stash?
  4. What does git stash apply command do?
  5. What does git annotate command do?
  6. How will you resolve conflict in Git?
  7. How to revert a bad commit which is already pushed?
  8. What are the functionalities of git reset –mixed and git merge –abort?


  1. What is DevOps?
  2. What is the difference between Agile and DevOps?
  3. Which are the most popular DevOps tools?
  4. List the key components of DevOps.
  5. What is the DevOps toolchain?
  6. What is AWS DevOps?


  1. What are the key differences between Python 2 and 3?
  2. How does Python’s garbage collection work?
  3. What is the difference between range and xrange? How has this changed over time?
  4. How do you enforce ordering for a dictionary-style object?
  5. What is PYTHON STARTUP and how is it used?
  6. What is the difference between list and tuples? 
  7. Is Django better than Flask?
  8. Mention the differences between Django, Pyramid, and Flask.
  9. Explain what Flask is and its benefits?
  10. What is PEP 8 and why is it important?


  1. On a client machine, how you will detect the server using JavaScript?
  2. What according to you is the true difference between Java and JavaScript?
  3. If the argument is not a number, which function you will use in JavaScript?
  4. How many data types are there in JavaScript? Can you name them?
  5. Tell something about the undeclared and undefined variables?
  6. Are you familiar with the concept of negative infinity in JavaScript?
  7. What are timers in JavaScript? What do you know about them?
  8. What exactly is the difference between Session State and the View State in JavaScript?
  9. Is it possible in JavaScript to proceed with automatic type conversation?